[jira] [Closed] (DRILL-4373) Drill and Hive have incompatible timestamp representations in parquet

["Krystal (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-4373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Krystal closed DRILL-4373.
--------------------------

Verified as part of DRILL-5034

> Drill and Hive have incompatible timestamp representations in parquet
> ---------------------------------------------------------------------
>
>                 Key: DRILL-4373
>                 URL: https://issues.apache.org/jira/browse/DRILL-4373
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Storage - Hive, Storage - Parquet
>    Affects Versions: 1.8.0
>            Reporter: Rahul Challapalli
>            Assignee: Vitalii Diravka
>              Labels: doc-impacting
>             Fix For: 1.10.0
>
>
> git.commit.id.abbrev=83d460c
> I created a parquet file with a timestamp type using Drill. Now if I define a hive table on top of the parquet file and use "timestamp" as the column type, drill fails to read the hive table through the hive storage plugin
> Implementation: 
> Added int96 to timestamp converter for both parquet readers and controling it by system / session option "store.parquet.int96_as_timestamp".
> The value of the option is false by default for the proper work of the old query scripts with the "convert_from TIMESTAMP_IMPALA" function.
> When the option is true using of that function is unnesessary and can lead to the query fail.



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